I'm Morgan McGuire (@CasualEffects). I've been working on computer graphics and games for 20 years at great places including NVIDIA, University of Waterloo, Williams College, Brown University, Roblox, Unity, and Activision.

See my home page for a full index of my blog posts, books, research, and projects.

Friday, January 20, 2012

The Graphics Codex 1.1 Update Feature List

The Graphics Codex version 1.1 went live on the App Store Jan. 31, 2012.  This post lists the features.  I prioritize features for each update based on the poll on the web page, so vote there for what you want to see next.


New in version 1.1:
  • Searchable index
  • Fast startup time
    • About 1s for the first load on iPad 2 and iPhone 4; may be slower on iPad 1 and iPhone 3
    • Instantaneous load when switching apps
  • Smooth scrolling
  • Type annotations for all equations and new button for showing and hiding them
  • Reorganized all matrix topics under a single heading
  • New diagrams
    • Refraction/Snell's law
    • Ray-Triangle intersection
  • New topics
    • Unprojecting from a depth buffer
    • Arithmetic mean
    • Geometric mean
    • Expected value
    • Variance
    • Area of a 3D triangle
    • 4 x 4 matrix determinant
    • n x n matrix determinant
    • C++ method pointer syntax
    • Greek alphabet (+XML, HTML, Unicode, LaTeX, ASCII codes)
    • Shadow map pseudocode, with PCF
  • Mathematical corrections
    • Fixed minus signs and added supersampling offsets to projection matrices
    • Fixed the vector diagram for triangle solid angle
  • Many small refinements to existing topics






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